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Kinematics of the SgrB2(N-LMH) Molecular Core (2003)

Author: Hollis, J. M.; Pedelty, J. A.; Boboltz, D. A.; Liu, S.-Y.; Snyder, L. E.; Palmer, Patrick; Lovas, F. J.; Jewell, P. R
Subject: CLIMATOLOGY; SOIL MOISTURE; EVAPORATION; MULTIVARIATE STATISTICAL ANALYSIS; PARASITIC DISEASES; REPUBLIC OF SOUTH AFRICA; AUTOREGRESSIVE PROCESSES; EARTH SURFACE; GEOS 1 SATELLITE; NORMALIZED DIFFERENCE VEGETATION INDEX; EARTH OBSERVING SYSTEM (EOS)
Year: 2003
Language: English
Book contributor: NASA
Collection: nasa_techdocs

Description

Ethyl cyanide (CH3CH2CN) emission and absorption have been imaged with the Very Large Array (VLA) toward SgrB2(N-LMH) by means of the 5(sub 15)-4(sub 14) rotational transition at 43.5 GHz (lambda approx. 7 mm). The 1.5'' x 1.4'' VLA beam shows two principal sources of ethyl cyanide emission: an unresolved source approx. 5'' north of the LMH that is kinematically consistent with simple expansion, contraction, or small-scale turbulence, and the resolved LMH core source itself that shows kinematics indicating an edge-on rotating disk that extends 23'' (approx. 0.1 pc) in the approximate east-west direction. A search for the 7(sub 07)-6(sub 06) rotational transition of the amino acid glycine (NH2CH2COOH) at 43.7 GHz toward SgrB2(N-LMH) gave negative results.

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Identifier:	nasa_techdoc_20040016195
Document-source:	CASI
Documentid:	20040016195
Nasa-center:	Goddard Space Flight Center
Online-source:	http://wayback.archive-it.org/1792/20100129034311/http://hdl.handle.net/2060/20040016195
Original-nasa-rights:	Unclassified; Copyright (Distribution as joint owner in the copyright) ; Unlimited; Publicly available;
Updated-added-to-ntrs:	2009-07-29
Licenseurl:	http://creativecommons.org/licenses/publicdomain/
Mediatype:	texts
Rights:	Public Domain
Identifier-access:	http://www.archive.org/details/nasa_techdoc_20040016195
Identifier-ark:	ark:/13960/t6qz3454k
Ppi:	300
Ocr:	ABBYY FineReader 8.0